.person_body {
    border: 1px solid #f5f5f5;
    height: 500px;
    display: flex;
}

.tree_nav span {
    display: inline-block;
    padding-right: 10px;
    margin-right: 5px;
    max-width: 6em;
    color: #38adff;
    font-size: 12px;
    cursor: pointer;
    background: url(./assets/jiaojiao.png) no-repeat right center;
}

.tree_nav span:last-of-type {
    background: none;
}

.person_tree {
    padding: 10px 12px 0 8px;
    width: 280px;
    height: 100%;
    border-right: 1px solid #f5f5f5;
}

.l {
    float: left;
}
